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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento sin título</title>
</head>

<body>
<form id="form1" name="form1" method="post" action="">
  <p>Configuracion</p>
  <p>Intrumento
    <label for="listaInstru"></label>
    <select name="listaInstru" id="listaInstru">
    </select>
  </p>
  <p>valorInf 
    <label for="valorInf"></label>
    <input type="text" name="valorInf" id="valorInf" />
  </p>
  <p>valorSup
    <label for="valorSup"></label>
    <input type="text" name="valorSup" id="valorSup" />
  </p>
  <p>frecuencia
    <label for="listFrecu"></label>
    <select name="listFrecu" id="listFrecu">
    </select>
  </p>
</form>
</body>
</html>